Home / 994,629.60-1,492,138.80-426,009.60

Finding the Fourth Proportional to 994,629.60, 1,492,138.80 and 426,009.60

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Solution

The fourth proportional to 994,629.60, 1,492,138.80 and 426,009.60 is: 639,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,629.60 : 1,492,138.80 = 426,009.60 : x
  2. Step 2: Convert to fraction form
    994,629.60/1,492,138.80 = 426,009.60/x
  3. Step 3: Cross multiply
    994,629.60x = 1,492,138.80 × 426,009.60
  4. Step 4: Simplify right side
    994,629.60x = 635,665,453,332.48
  5. Step 5: Solve for x
    x = 635,665,453,332.48/994,629.60
  6. Step 6: Final answer
    x = 639,097.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.